1339693 has 2 divisors, whose sum is σ = 1339694. Its totient is φ = 1339692.

The previous prime is 1339691. The next prime is 1339711. The reversal of 1339693 is 3969331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 114244 = 1107^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339693 - 2¹ = 1339691 is a prime.

Together with 1339691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1339691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669846 + 669847.

It is an arithmetic number, because the mean of its divisors is an integer number (669847).

2^1339693 is an apocalyptic number.

It is an amenable number.

1339693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339693 is an equidigital number, since it uses as much as digits as its factorization.

1339693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 34.

The square root of 1339693 is about 1157.4510788798. The cubic root of 1339693 is about 110.2389571127.

The spelling of 1339693 in words is "one million, three hundred thirty-nine thousand, six hundred ninety-three".